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Finding the Fourth Proportional to 575,965.80, 794,833.14 and 321,316.98

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Solution

The fourth proportional to 575,965.80, 794,833.14 and 321,316.98 is: 443,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,965.80 : 794,833.14 = 321,316.98 : x
  2. Step 2: Convert to fraction form
    575,965.80/794,833.14 = 321,316.98/x
  3. Step 3: Cross multiply
    575,965.80x = 794,833.14 × 321,316.98
  4. Step 4: Simplify right side
    575,965.80x = 255,393,387,272.03
  5. Step 5: Solve for x
    x = 255,393,387,272.03/575,965.80
  6. Step 6: Final answer
    x = 443,417.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.